CompositorNodePremulKey(CompositorNode)¶

base classes — bpy_struct, Node, NodeInternal, CompositorNode

class bpy.types.CompositorNodePremulKey(CompositorNode)¶

Convert to and from premultiplied (associated) alpha

mapping¶

Conversion between premultiplied alpha and key alpha

STRAIGHT_TO_PREMUL To Premultiplied – Convert straight to premultiplied.
PREMUL_TO_STRAIGHT To Straight – Convert premultiplied to straight.

Type:: enum in [‘STRAIGHT_TO_PREMUL’, ‘PREMUL_TO_STRAIGHT’], default ‘STRAIGHT_TO_PREMUL’

classmethod is_registered_node_type()¶

True if a registered node type

Returns:: Result
Return type:: boolean

classmethod input_template(index)¶

Input socket template

Parameters:: index (int in [0, inf]) – Index
Returns:: result
Return type:: NodeInternalSocketTemplate

classmethod output_template(index)¶

Output socket template

Parameters:: index (int in [0, inf]) – Index
Returns:: result
Return type:: NodeInternalSocketTemplate

update()¶

classmethod bl_rna_get_subclass(id, default=None)¶

Parameters:: id (str) – The RNA type identifier.
Returns:: The RNA type or default when not found.
Return type:: bpy.types.Struct subclass

classmethod bl_rna_get_subclass_py(id, default=None)¶

Parameters:: id (str) – The RNA type identifier.
Returns:: The class or default when not found.
Return type:: type

Inherited Functions¶